CVE-2025-54518 Affecting kernel-64k-devel package, versions <0:5.14.0-687.38.1.el9_8


Severity

Recommended
high

Based on Rocky Linux security rating.

Threat Intelligence

EPSS
0.28% (20th percentile)

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  • Snyk IDSNYK-ROCKY9-KERNEL64KDEVEL-18747403
  • published13 Aug 2026
  • disclosed15 May 2026

Introduced: 15 May 2026

CVE-2025-54518  (opens in a new tab)

How to fix?

Upgrade Rocky-Linux:9 kernel-64k-devel to version 0:5.14.0-687.38.1.el9_8 or higher.
This issue was patched in RLSA-2026:53329.

NVD Description

Note: Versions mentioned in the description apply only to the upstream kernel-64k-devel package and not the kernel-64k-devel package as distributed by Rocky-Linux. See How to fix? for Rocky-Linux:9 relevant fixed versions and status.

Improper isolation of shared resources within the CPU operation cache on Zen 2-based products could allow an attacker to corrupt instructions executed at a different privilege level, potentially resulting in privilege escalation.

CVSS Base Scores

version 3.1